Static Soil Moisture Retrieval Measurements Based on GNSS-R

被引：0
|
作者：
Tengda Pei [1 ]
Yuekun Pei [1 ]
机构：
[1] Dalian Econ Technol Dev Zone, St Xuefudajie 10, Dalian 116622, Liaoning, Peoples R China
来源：
2017 3RD INTERNATIONAL CONFERENCE ON COMPUTATIONAL SYSTEMS AND COMMUNICATIONS (ICCSC 2017) | 2017年
关键词：
GNSS-R; Soil moisture; Software receiver; Dielectric constant;
D O I：
10.23977/iccsc.2017.1006
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
GNSS Reflectometry (GNSS-R) is a remote sensing tool for extracting Earth surface information. This work presents a preliminary result of a static measurement applying the software GPS receiver. The system configuration consists of both Right Hand Circularly Polarization (RHCP) and Left Hand Circularly Polarization (LHCP) antennas for receiving reflected signals. Raw sampled data were stored into two PCs for post processing in order to get Signal to Noise Ratio (SNR) for both polarizations. Power reflectivity behavior was theoretically analyzed and compared with obtained results. A trial dielectric constant retrieval of the meadow was attempted, and the results were coherent with the in-situ soil moisture state.
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页码：29 / 33
页数：5
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